Lesson 2: Stop guessing your risk profile. Find it.Can you predict how you'll handle a crash?Before their first crash, how well do most new investors predict how they'll handle a 40% drop?AThey underestimate their nerveMost hold on far better than they feared.BThey overestimate their nerveMany who planned to hold end up selling.CFairly wellMost people know themselves, so a calm plan holds.